engineering physics MCQ #307

The wavelength of the first line of Lyman series is

engineering physics MCQ #307

  1. Question 1

    Q1. The wavelength of the first line of Lyman series is

    • A) 121.6 nm
    • B) 102.6 nm
    • C) 656.3 nm
    • D) 434.1 nm

    Answer: 121.6 nm

    Explanation: Using Rydberg's formula, 1 / λ = R * (1 / 1² - 1 / 2²), we get λ = 121.6 nm.